Sudoku Key Chain (Hong Kong)

Ai-chain sudoku puzzle is suitable for players of all abilities and Features include 3 levels of difficulty; easy, hard and harder. Advance hint system to assist you by showing a step or complete in the solution of an unique sudoku puzzle. Smart helper can help you sort out permissible number.

Includes a puzzle creator which literally generates an endless supply of new and true sudoku puzzles, all solvable by logic alone and a puzzle solver, so you can input any literal sudoku from a newspaper or book and ai-chain sudoku can show you the solution or give you hints to help you play along.

Features: - endless generate and supply literal sudoku puzzles. - minimum size 43x73x15mm. - keep a sudoku into your pocket. - keychain hook or hanging hook. - built-in three levels, easy, hard and harder. Suit for any level people. - user levels: Create your own sudoku or input from newspaper or book. - integrated sudoku solver.

Can solve million true unique sudoku. - advance hint system: Provides a step solution, error location or solve completely - save and load up to 2 games. - count up or count down in minute. - count up or count down step. - clock and alarm. - include 1xCR2032 battery Include free PC version sudoku game for download.